PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/06-14:12:30
G07     353.3          63.8                7.2 +/-    1.06       7.9 +/-    1.06  0.040 / 0.040
G08     90.1           52.8                8.0 +/-    0.45       9.8 +/-    0.45  0.040 / 0.040
G09     187.6          68.6                7.1 +/-    0.97       7.5 +/-    0.97  0.070 / 0.220
G11     141.2          17.9                8.2 +/-    0.68      19.1 +/-    0.68  0.090 / 0.220
G23     156.6          33.6                9.7 +/-    1.43      15.8 +/-    1.43  0.120 / 0.300
G27     50.8           29.2                6.6 +/-    0.64      11.8 +/-    0.64  0.120 / 0.360
G28     240.2          29.1                8.2 +/-    1.55      14.7 +/-    1.55  0.080 / 0.110